Re: Adventures with gcc: code vs object-code size

From: Marc Olzheim (marcolz_at_stack.nl)
Date: 03/21/04

  • Next message: M. Warner Losh: "Re: bus_alloc_resource() returns NULL, but why?" 
    Date: Sun, 21 Mar 2004 15:13:30 +0100
To: Peter Jeremy <peterjeremy@optushome.com.au>

    On Sun, Mar 21, 2004 at 07:45:43PM +1100, Peter Jeremy wrote:
    > But (IMHO) this is a lot less clear than the former code (thought I admit
    > I'm guilty of doing this quite a lot in my code). Note that a modern C
    > compiler is free to convert
    > strcpy(elemcopy, ":") == 0
    > into
    > elemcopy[0] == ':' && elemcopy[1] == '\0'
    > assuming the relevant header (<string.h>) is in scope. (I was under the
    > impression that gcc did this).

    You're mixing up strcpy() with strcmp(), but you are right, unless
    -fno-builtin is specified.

    Marc
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  • Next message: M. Warner Losh: "Re: bus_alloc_resource() returns NULL, but why?"

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